Robust beamforming algorithm based on steering vector estimation and interference plus noise covariance matrix reconstruction.
Zizheng LiSilei CaoWeigui ZengTianyu LiPublished in: SPA (2022)
Keyphrases
- estimation error
- covariance matrix
- objective function
- optimization algorithm
- search space
- k means
- correlation matrix
- covariance matrices
- expectation maximization
- density estimation
- signal to noise ratio
- parameter estimation
- linear programming
- worst case
- computational complexity
- transformation matrix
- eigendecomposition
- signal subspace
- speech enhancement
- optimization method
- vector space
- sample size
- simulated annealing
- np hard
- feature vectors